The incidence of bacteroides melaniogenicus in human gingival sulci, and its prevalence in the oral cavity at different ages.
D000293:Adolescent; D000328:Adult; D001431:Bacteriological Techniques; D001439:Bacteroides / Q000302:isolation & purification*; D002648:Child; D002675:Child, Preschool; D003718:Denmark; D005881:Gingiva; D005891:Gingivitis; D006801:Humans; D009055:Mouth